MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to download further payloads or submit credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://queure.ru/uplcv?utm_term=watch+up+online+putlocker PDF link annotation
- https://giltmorestukko.hu/ckfinder/userfiles/files/gilopagumibatusojuwepe.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/a258c100b0eb9d1f3f5e0abacac6c953/tigawuxow.pdfIn PDF document text
- https://krzczonowice.pl/gfx/file/sosavatifozijoligusuj.pdfIn PDF document text
- http://budka39.ru/files/jetewibomulowikotu.pdfIn PDF document text
- https://keepingscore.org/userfiles/file/6526500960.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/ebbcc29ba84cd23cdfa2227ff4cde980/dovonedesefubatajeg.pdfIn PDF document text
- http://dieukhactransam.com/uploads/files/sivexodiladulizara.pdfIn PDF document text
- http://camdohungdung.com/upload/files/zunuvew.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/871d301081da8b05be71bf1b5b267da8/dabesukenasam.pdfIn PDF document text
- https://afgventuregroup.com/cfiles/file/giboxawuxatejoxekarove.pdfIn PDF document text
- http://muasamhangmy.com/ckfinder/userfiles/files/nivota.pdfIn PDF document text
- http://fu-xin.tw/uploads/files/202109072343509332.pdfIn PDF document text
- http://indianspringhomes.com/userfiles/files/kibusi.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/suxiwi.pdfIn PDF document text
- http://sjzhtchem.com/upload/files/7147103634.pdfIn PDF document text
- http://csc0871.com/userfiles/file/20210927052941_g0021u.pdfIn PDF document text
- https://lalicorne-hotel.com/userfiles/file/11587530304.pdfIn PDF document text
- http://perevodvnegiloifond.ru/pict/file/kasixukitameb.pdfIn PDF document text
- https://haysalon.com/public_html/userfiles/file/65068650134.pdfIn PDF document text
- http://tk-weld.com/images/library/File/lakeson.pdfIn PDF document text
- https://simon-daulte.com/ckfinder/userfiles/files/24012477061.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000abb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABB6 | 10488 bytes |
SHA-256: 64071934cc355e4e17e046b65e95ad131a7ea915b940727af6a2cca0fd879b25 |
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font_01_sfnt_off0000c383.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC383 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000db95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB95 | 15356 bytes |
SHA-256: ac2bdff68580d9a77ccb652f4aeb9a0cb976d1cad7f830f290926d3b7833d301 |
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